506
FZUS52 KCHS 202000
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
400 PM EDT Mon May 20 2024

South Santee River SC to Savannah GA out 20 NM and Savannah GA to
Altamaha Sound GA out 60 NM, including Charleston Harbor and
Grays Reef National Marine Sanctuary

AMZ300-210815-
400 PM EDT Mon May 20 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will persist for most of this week. A series of
upper level disturbances should impact our area this weekend.

$$

AMZ330-210815-
Charleston Harbor-
400 PM EDT Mon May 20 2024

.TONIGHT...NE winds 5 to 10 kt.
.TUE...NE winds 5 to 10 kt, becoming E 10 to 15 kt in the
afternoon.
.TUE NIGHT...E winds 5 to 10 kt in the evening, becoming light
and variable.
.WED...NE winds 5 kt, becoming E in the afternoon.
.WED NIGHT...SE winds 5 to 10 kt, becoming S after midnight.
.THU...SW winds 5 to 10 kt.
.THU NIGHT...S winds 5 to 10 kt.
.FRI...SW winds 10 to 15 kt.
.FRI NIGHT...S winds 10 to 15 kt. A slight chance of showers and
tstms.
.SAT...SW winds 10 to 15 kt. A slight chance of showers and
tstms.
.SAT NIGHT...SW winds 10 to 15 kt. A slight chance of showers and
tstms.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 76 degrees.

$$

AMZ350-210815-
Waters from South Santee River to Edisto Beach SC out 20 NM-
400 PM EDT Mon May 20 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING...

.TONIGHT...NE winds 10 to 20 kt with gusts to 25 kt. Seas 4 to 5
ft, subsiding to 3 to 4 ft after midnight. Wave Detail: E 5 ft at
7 seconds, becoming E 4 ft at 7 seconds.
.TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 7 seconds and SE 1 foot at 10 seconds.
.TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 7 seconds and SE 1 foot at 10 seconds.
.WED...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
7 seconds and SE 1 foot at 10 seconds.
.WED NIGHT...S winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds and SW 1 foot at 2 seconds.
.THU NIGHT...S winds 10 kt. Seas 2 ft.
.FRI...SW winds 10 kt. Seas 2 ft.
.FRI NIGHT...S winds 10 kt. Seas 2 ft. A slight chance of showers
and tstms.
.SAT...SW winds 10 kt. Seas 2 to 3 ft. A slight chance of showers
and tstms.
.SAT NIGHT...SW winds 10 kt. Seas 3 ft. A chance of showers and
tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-210815-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
400 PM EDT Mon May 20 2024

.TONIGHT...NE winds 15 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft
after midnight. Wave Detail: E 4 ft at 7 seconds.
.TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 7 seconds.
.TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 7 seconds and SE 1 foot at 10 seconds.
.WED...NE winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds
and SE 1 foot at 10 seconds.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 7 seconds and SE 1 foot at 10 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 ft.
.FRI...SW winds 5 to 10 kt. Seas 2 ft.
.FRI NIGHT...S winds 10 kt. Seas 2 ft. A slight chance of showers
and tstms.
.SAT...SW winds 10 kt. Seas 2 ft. A slight chance of showers and
tstms.
.SAT NIGHT...S winds 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-210815-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
400 PM EDT Mon May 20 2024

.TONIGHT...NE winds 15 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft
after midnight. Wave Detail: E 4 ft at 7 seconds.
.TUE...NE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: E 4 ft at 7 seconds.
.TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 7 seconds.
.WED...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
7 seconds and SE 1 foot at 10 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 7 seconds and SE 1 foot at 10 seconds.
.THU...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
8 seconds.
.THU NIGHT...S winds 10 kt. Seas 2 to 3 ft.
.FRI...S winds 5 to 10 kt. Seas 2 ft.
.FRI NIGHT...S winds 10 kt. Seas 2 ft.
.SAT...SW winds 10 kt. Seas 2 ft. A slight chance of showers and
tstms.
.SAT NIGHT...S winds 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-210815-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
400 PM EDT Mon May 20 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

.TONIGHT...NE winds 15 to 20 kt. Gusts to 25 kt through late
evening. Seas 5 to 6 ft, subsiding to 4 to 5 ft after midnight.
Wave Detail: NE 5 ft at 7 seconds.
.TUE...NE winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 5 ft.
Wave Detail: NE 5 ft at 7 seconds.
.TUE NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NE
4 ft at 7 seconds and SE 1 foot at 10 seconds. A slight chance of
showers after midnight.
.WED...NE winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
7 seconds and SE 1 foot at 10 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 7 seconds and SE 1 foot at 10 seconds.
.THU...S winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
8 seconds and SE 1 foot at 10 seconds.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft.
.SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.SAT NIGHT...S winds 10 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$